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EVAL-ADF7021DBZ5 Datasheet, PDF (12/64 Pages) Analog Devices – High Performance Narrow-Band Transceiver IC
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ADF7021
Timing Diagrams
Serial Interface
SCLK
SDATA
DB31 (MSB)
t1
t2
DB30
t3
t4
DB2
DB1
(CONTROL BIT C2)
SLE
t1
t2
SCLK
Figure 2. Serial Interface Timing Diagram
Data Sheet
DB0 (LSB)
(CONTROL BIT C1)
t6
t5
SDATA
SLE
REG7 DB0
(CONTROL BIT C1)
t3
SREAD
X
RV16
RV15
RV2
t8
t9
Figure 3. Serial Interface Readback Timing Diagram
2FSK/3FSK Timing
TxRxCLK
±1 × DATA RATE/32
1/DATA RATE
t10
RV1
X
TxRxDATA
TxRxCLK
DATA
Figure 4. TxRxDATA/TxRxCLK Timing Diagram in Receive Mode
1/DATA RATE
TxRxDATA
DATA
FETCH
SAMPLE
Figure 5. TxRxDATA/TxRxCLK Timing Diagram in Transmit Mode
Rev. B | Page 12 of 64
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